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Setting Surrogate-Key headers for Amazon S3 origins

Last updated June 26, 2017

You can mark content with a surrogate key and use it to purge groups of specific URLs at once without purging everything, or purging each URL singularly. On the Amazon S3 side, you can use the x-amz-meta-surrogate-key header to mark your content as you see fit, and then on the Fastly side set up a Header configuration to translate the S3 information into the header we look for.

IMPORTANT: Pay close attention to the capitalization. Amazon S3 only accepts all lowercase header names.

Follow these instructions to set Surrogate-Key headers for Amazon S3 origin servers:

Log in to the Fastly web interface and click the Configure link.

From the service menu, select the appropriate service.

Click the Configuration button and then select Clone active. The Domains page appears.

Click the Content link. The Content page appears.

Click the Create header button. The Create a header page appears.

Fill out the Create a header fields as follows:

In the Name field, type a human-readable name for the header. This name is displayed in the Fastly web interface.

From the Type menu, select Cache, and from the Action menu, select Set.